protected override void OnPaint(System.Windows.Forms.PaintEventArgs e)
{
float vlblControlWidth;
float vlblControlHeight;
float vlblTransformX;
float vlblTransformY;
Color controlBackColor = BackColor;
Pen labelBorderPen;
SolidBrush labelBackColorBrush;
if (_transparentBG)
{
labelBorderPen = new Pen(Color.Empty, 0);
labelBackColorBrush = new SolidBrush(Color.Empty);
}
else
{
labelBorderPen = new Pen(controlBackColor, 0);
labelBackColorBrush = new SolidBrush(controlBackColor);
}
SolidBrush labelForeColorBrush = new SolidBrush(base.ForeColor);
base.OnPaint(e);
vlblControlWidth = this.Size.Width;
vlblControlHeight = this.Size.Height;
e.Graphics.DrawRectangle(labelBorderPen, 0, 0,
vlblControlWidth, vlblControlHeight);
e.Graphics.FillRectangle(labelBackColorBrush, 0, 0,
vlblControlWidth, vlblControlHeight);
e.Graphics.TextRenderingHint = this._renderMode;
e.Graphics.SmoothingMode =
System.Drawing.Drawing2D.SmoothingMode.HighQuality;
if (this.TextDrawMode == DrawMode.BottomUp)
{
vlblTransformX = 0;
vlblTransformY = vlblControlHeight;
e.Graphics.TranslateTransform(vlblTransformX, vlblTransformY);
e.Graphics.RotateTransform(270);
e.Graphics.DrawString(labelText, Font, labelForeColorBrush, 0, 0);
}
else
{
vlblTransformX = vlblControlWidth;
vlblTransformY = vlblControlHeight;
e.Graphics.TranslateTransform(vlblControlWidth, 0);
e.Graphics.RotateTransform(90);
e.Graphics.DrawString(labelText, Font, labelForeColorBrush, 0,
0,StringFormat.GenericTypographic);
}
}
SetStyle(System.Windows.Forms.ControlStyles.Opaque, true);
}
protected override CreateParams CreateParams
{
get
{
CreateParams cp = base.CreateParams;
cp.ExStyle |= 0x20; // Turn on WS_EX_TRANSPARENT
return cp;
}
}